Homework Answers
ANSWER.
95) a) Fungi form functional association with Plant roots.
* This type of association is called Mycorrhiza.
* This type of association help both fuingus and plant to meet
their own nutritional needs.
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95.Fungi form functional associations with which of the following? a. plant roots b. phototrophic microbes C....
Section B (Plant Microbes) 1. Compare the ecology and spread of plant-pathogenic bacteria and fungi. (maximum...
Section B (Plant Microbes) 1. Compare the ecology and spread of plant-pathogenic bacteria and fungi. (maximum two pages) 20 marks
Micorrhizal fungi are found in many plant roots. The fungi aids the plant in uptake of...
Micorrhizal fungi are found in many plant roots. The fungi aids the plant in uptake of water and nutrients, therefore increasing plant growth and overall health. A farmer is testing the effect of mycorrhizal fungi on the fruit production of the orange trees in his orchard. He plants 200 orange tree saplings in his orchard. Group A, 100 of the saplings, are planted normally. Group B, 100 saplings, are planted with mycorrhizal fungi on the roots. Once the trees reach...
Which of the following statements about mycorrhizae is true? a) Although very common in angiosperms, most...
Which of the following statements about mycorrhizae is true? a) Although very common in angiosperms, most gymnosperms do not form mycorrhizal associations. b) Mycorrhizae are symbiotic associations between plant roots and fungi. c) Mycorrhizae typically are commensalisms, not true mutualisms, because only the plant benefits. d) Both a and b e) Both a and c.
What are two types of symbiotic relationships in plant roots? A. Bacteria in root hairs, fungi...
What are two types of symbiotic relationships in plant roots? A. Bacteria in root hairs, fungi in root nodules B. Bacteria in root nodules, fungi in mycorrhizae C. Bacteria in mycorrhizae, fungi in root nodules D. Bacteria in root nodules, fungi in root hairs
1. In mycorrhizal mutualisms between plants roots and fungi, A) the plant supplies water to the...
1. In mycorrhizal mutualisms between plants roots and fungi, A) the plant supplies water to the fungus and the fungus supplies essential amino acids to the plant B) the fungus infects the plant roots, stimulating plant growth through myc factors that act as growth hormones in the plant C) the plant protects the fungus from predation and the fungus supplies carbohydrates to the plant D) the plant supplies carbohydrates to the fungus and the fungus supplies phosphorus and nitrogen to...
14. Cotyledons are: a. embryonic roots b. embryonic stems c. embryonic leaves d. a type of...
14. Cotyledons are: a. embryonic roots b. embryonic stems c. embryonic leaves d. a type of fruit e. a type of seed 15. Stigma, style and ovary make up the: a. stamen b. pistil or carpel c. petal d. sepal e. petal and sepal 16. Two key adaptations for life on land are: a. b. c. d. e. fruits and nuts leaves and stems leaves and roots seeds and pollen grains sporophytes and gametophytes 17. In medieval times, which of...
6. Which is not a characteristic of fungi? A. Most are single celled B. It is...
6. Which is not a characteristic of fungi? A. Most are single celled B. It is a saprophyte D. It lives moist areas E. All the above are characteristics of the fungi C. It is a decomposer 7. Why is the relationship between most mycorhizal fungi and their host plants considered mutualistic? A. They live in close physical association. B. Both species benefit from the association. C. The host plant cannot live without the mycorhizae. D. The mycorhizae cannot live...
41. Microsporidia are A. Unicellular plant parasites B. Multicellular plant parasites C. Unicellular animal parasites D....
41. Microsporidia are A. Unicellular plant parasites B. Multicellular plant parasites C. Unicellular animal parasites D. Multicellular animal parasites E. Protists 42. Fungi digest in mammalian herbivore rumens. A. plant biomass B. animal biomass c. other fungi D. protists E. bacteria 43. The genus of lichens is A. Lichen B. Cyanolichen C. Algaensis D. Cyanoalgaensis E. Lichens do not have a single genus 44. Symbiotic relationships occur between fungi and A. Bacteria B. Animals C. Plants D. Green algae E....
17. Which of the following is NOT true of VAM endomycorrizal fungi? a. they increase the...
17. Which of the following is NOT true of VAM endomycorrizal fungi? a. they increase the depletion zone for minerals b. they form intracellular arbuscles in root cortex cells c. they increase the surface area for root absorption d. they fix atmospheric nitrogen e. they stimulate plant growth
1. Red algae are A B. C. protists plants fungi animals prokaryotes D. Brown algae area...
1. Red algae are A B. C. protists plants fungi animals prokaryotes D. Brown algae area A. B. C. protists plants fungi animals prokaryotes E. gave rise to the entire terrestrial plant A single species of freshwater lineage. A. B. C. red algae brown algae green algae fungus prokaryote D. E. Green algae split into 2 clades: A. B. c. D. chromalveolata and stramenopila rhizaria and cercozoa alveolata and stramenopila excavata and opisthokonta chlorophytes and charophytes 5. The green algae...
Section B (Plant Microbes) 1. Compare the ecology and spread of plant-pathogenic bacteria and fungi. (maximum two pages) 20 marks
Micorrhizal fungi are found in many plant roots. The fungi aids the plant in uptake of water and nutrients, therefore increasing plant growth and overall health. A farmer is testing the effect of mycorrhizal fungi on the fruit production of the orange trees in his orchard. He plants 200 orange tree saplings in his orchard. Group A, 100 of the saplings, are planted normally. Group B, 100 saplings, are planted with mycorrhizal fungi on the roots. Once the trees reach...
Which of the following statements about mycorrhizae is true? a) Although very common in angiosperms, most gymnosperms do not form mycorrhizal associations. b) Mycorrhizae are symbiotic associations between plant roots and fungi. c) Mycorrhizae typically are commensalisms, not true mutualisms, because only the plant benefits. d) Both a and b e) Both a and c.
14. Cotyledons are: a. embryonic roots b. embryonic stems c. embryonic leaves d. a type of fruit e. a type of seed 15. Stigma, style and ovary make up the: a. stamen b. pistil or carpel c. petal d. sepal e. petal and sepal 16. Two key adaptations for life on land are: a. b. c. d. e. fruits and nuts leaves and stems leaves and roots seeds and pollen grains sporophytes and gametophytes 17. In medieval times, which of...
6. Which is not a characteristic of fungi? A. Most are single celled B. It is a saprophyte D. It lives moist areas E. All the above are characteristics of the fungi C. It is a decomposer 7. Why is the relationship between most mycorhizal fungi and their host plants considered mutualistic? A. They live in close physical association. B. Both species benefit from the association. C. The host plant cannot live without the mycorhizae. D. The mycorhizae cannot live...
41. Microsporidia are A. Unicellular plant parasites B. Multicellular plant parasites C. Unicellular animal parasites D. Multicellular animal parasites E. Protists 42. Fungi digest in mammalian herbivore rumens. A. plant biomass B. animal biomass c. other fungi D. protists E. bacteria 43. The genus of lichens is A. Lichen B. Cyanolichen C. Algaensis D. Cyanoalgaensis E. Lichens do not have a single genus 44. Symbiotic relationships occur between fungi and A. Bacteria B. Animals C. Plants D. Green algae E....
17. Which of the following is NOT true of VAM endomycorrizal fungi? a. they increase the depletion zone for minerals b. they form intracellular arbuscles in root cortex cells c. they increase the surface area for root absorption d. they fix atmospheric nitrogen e. they stimulate plant growth
1. Red algae are A B. C. protists plants fungi animals prokaryotes D. Brown algae area A. B. C. protists plants fungi animals prokaryotes E. gave rise to the entire terrestrial plant A single species of freshwater lineage. A. B. C. red algae brown algae green algae fungus prokaryote D. E. Green algae split into 2 clades: A. B. c. D. chromalveolata and stramenopila rhizaria and cercozoa alveolata and stramenopila excavata and opisthokonta chlorophytes and charophytes 5. The green algae...
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